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OpenStudy (vera_ewing):
How do you know that a double replacement reaction is a chemical change and not a physical change?
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OpenStudy (vera_ewing):
@peachpi
OpenStudy (anonymous):
chemical changes are things like formation of a solid or gas and temperature. physical changes are like changes of state or dissolving/dissassociation
OpenStudy (vera_ewing):
Okay thanks! :)
OpenStudy (anonymous):
np
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